class Cucumber::Rake::Task::InProcessCucumberRunner

def initialize(libs, cucumber_opts, feature_files)
  raise 'libs must be an Array when running in-process' unless libs.instance_of? Array
  libs.reverse_each { |lib| $LOAD_PATH.unshift(lib) }
  @args = (
    cucumber_opts +
    feature_files
  ).flatten.compact
end